let MyData = (function(){

  let excelData = ExcelUtils.getItem(); 
  return {
    getMyData: function (dataInfo) {
      let options = excelData["options"];
      let myDataHandler = new MyDataHandler(options, dataInfo)
      // let [myData, errorList] = 
      return myDataHandler.getMyData(excelData);
    },
    getExcelData: () => excelData
  }
})()